Percent of U.S. Mainland in Selected
Drought Ranges -- April 5, 2009
Percentile
Range
Short-Term
Drought Indicator Blend
Long-Term
Drought Indicator Blend
 Current   Anomaly*   Percentile*   Change**   Current   Anomaly*   Percentile*   Change** 
0-30 (D0)   26.14 - 4.04 44.58 - 3.22 25.16 - 5.05 45.23 + 1.05
0-20 (D1)   17.78 - 2.36 51.36 + 4.09 13.28 - 6.90 39.71 - 0.62
0-10 (D2)    4.33 - 5.75 29.10 - 1.18  6.48 - 3.64 47.65 + 1.05
0-5 (D3)    0.70 - 4.40 20.13 - 0.46  2.56 - 2.57 48.30 - 0.24
0-2 (D4)    0.00 - 2.07  0.00 - 0.38  0.00 - 2.06  0.00 + 0.00
*Anomalies & percentiles based on monthly 1932 - 2001 data from National Climatic Data Center.
**Change from Previous Week's Percentage of U.S. Covered